Lock



FIG. 1 is a front and top perspective view of a lock, showing my newdesign;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side, elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is another perspective view thereof, shown in an environment ofuse.

The broken lines in the figures illustrate portions of the lock thatform no part of the claimed design. The broken lines illustrating thecover in FIG. 9 depict environmental structure that form no part of theclaimed design.

CLAIM The ornamental design for a lock, as shown and described.